Make a Comment • Email Link • Send Letter to Editor IPFS News Link • Geography 800-Mile-Wide Hot Anomaly Found Under Seafloor off Hawaii 06-01-2011 • arclein to question the traditional explanation: that a stream of hot rock directly from around Earth's core formed the 3,100-mile-long (5,000-kilometer-long) chain of islands and undersea mountains in the Pacific Ocean. Watch Streaming Broadcast Live: LRN.fm Watch live shows and archives TV Live Chat Telegram Share this page with your friends on your favorite social network: